DT Swiss Ratchet EXP Freehub Body - Shimano HG 11 Road Light, Aluminum, Sealed Bearing, Kit w/ End Cap, 12 x 142 mmRatchet EXP freehub bodies have a matte finish. These are available in two different versions, with ceramic bearings for the 180 hub and with steel bearings for the 240. Ratchet EXP freehub bodies have no seal themselves, as this sits on the hub shell. Steel Bearings, Compatible with 240 series hubs End Cap Included Item Specifications Cassette Body Type Shimano HG 11 12 Speed Road Material Aluminum Rear Axle Type 12mm Thru axle Rear Hub Spacing (mm)